Inventor
FRIDDELL DAVID R
US4 patents
⚠️ This page may combine multiple inventors who share the name “FRIDDELL DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
3 patentsUS7360385B1Apr 22, 2008
Quick change bend tooling bolster
GM GLOBAL TECH OPERATIONS INC36 citations86
US7584637B2Sep 8, 2009
Bending apparatus and method of bending a metal object
GM GLOBAL TECH OPERATIONS INC16 citations81
US7937979B2May 10, 2011
Gravity fill system with pressure check valve
GM GLOBAL TECH OPERATIONS INC1 citations48